I (MAH) have combined Crassula expansa var. expansa and C. expansa var. longifolia under C. expansa subsp. expansa, as this seems to be the approach in the African Plants Database although it is not absolutely clear.

The record from Zimbabwe (S. bank of Zambesi; Rogers 13021) lacks an FZ division. From the altitude (c. 960 m.) I presume it must be division W.